Home / 861,628.54-1,189,056.18-474,479.96

Finding the Fourth Proportional to 861,628.54, 1,189,056.18 and 474,479.96

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Solution

The fourth proportional to 861,628.54, 1,189,056.18 and 474,479.96 is: 654,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,628.54 : 1,189,056.18 = 474,479.96 : x
  2. Step 2: Convert to fraction form
    861,628.54/1,189,056.18 = 474,479.96/x
  3. Step 3: Cross multiply
    861,628.54x = 1,189,056.18 × 474,479.96
  4. Step 4: Simplify right side
    861,628.54x = 564,183,321,592.67
  5. Step 5: Solve for x
    x = 564,183,321,592.67/861,628.54
  6. Step 6: Final answer
    x = 654,787.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.